﻿using System;
using System.Diagnostics;
using System.Globalization;
using System.Reflection;
using System.Runtime.InteropServices;
using System.ComponentModel.Design;
using Microsoft.VisualStudio;
using Microsoft.VisualStudio.Shell.Interop;
using Microsoft.VisualStudio.Shell;
using NerdWare.Crm2011VsTools.DialogPages;
using NerdWare.Crm2011VsTools.Globals;
using NerdWare.Crm2011VsTools.ToolWindows;

namespace NerdWare.Crm2011VsTools
{
    /// <summary>
    /// This is the class that implements the package exposed by this assembly.
    ///
    /// The minimum requirement for a class to be considered a valid package for Visual Studio
    /// is to implement the IVsPackage interface and register itself with the shell.
    /// This package uses the helper classes defined inside the Managed Package Framework (MPF)
    /// to do it: it derives from the Package class that provides the implementation of the 
    /// IVsPackage interface and uses the registration attributes defined in the framework to 
    /// register itself and its components with the shell.
    /// </summary>
    // This attribute tells the PkgDef creation utility (CreatePkgDef.exe) that this class is
    // a package.
    [PackageRegistration(UseManagedResourcesOnly = true)]
    // This attribute is used to register the informations needed to show the this package
    // in the Help/About dialog of Visual Studio.
    [InstalledProductRegistration("#110", "#112", "0.0.4.0", IconResourceID = 401)]
    // This attribute is needed to let the shell know that this package exposes some menus.
    [ProvideMenuResource("Menus.ctmenu", 1)]
    // This attribute registers a tool window exposed by this package.
    [ProvideToolWindow(typeof(ScriptInjectorToolWindow))]
    //[ProvideToolWindow(typeof(CrmExplorerToolWindow))]
    [ProvideOptionPage(typeof(GeneralOptionsPage), Category.Crm2011ToolsCategory, Page.GeneralPage, Category.Crm2011ToolsCategoryId, Page.GeneralPageId, false)]
    [Guid(GuidList.Crm2011VsToolsPkgString)]
    public sealed class Crm2011VsToolsPackage : Package
    {
        /// <summary>
        /// Default constructor of the package.
        /// Inside this method you can place any initialization code that does not require 
        /// any Visual Studio service because at this point the package object is created but 
        /// not sited yet inside Visual Studio environment. The place to do all the other 
        /// initialization is the Initialize method.
        /// </summary>
        public Crm2011VsToolsPackage()
        {
            Trace.WriteLine(string.Format(CultureInfo.CurrentCulture, "Entering constructor for: {0}", this));
        }

        /// <summary>
        /// This function is called when the user clicks the menu item that shows the 
        /// tool window. See the Initialize method to see how the menu item is associated to 
        /// this function using the OleMenuCommandService service and the MenuCommand class.
        /// </summary>
        private void ShowToolWindow<TToolWindow>(object sender, EventArgs e) where TToolWindow : ToolWindowPane
        {
            // Get the instance number 0 of this tool window. This window is single instance so this instance
            // is actually the only one.
            // The last flag is set to true so that if the tool window does not exists it will be created.
            ToolWindowPane window = FindToolWindow(typeof(TToolWindow), 0, true);
            if ((null == window) || (null == window.Frame))
            {
                throw new NotSupportedException(Resources.CanNotCreateWindow);
            }
            IVsWindowFrame windowFrame = (IVsWindowFrame)window.Frame;
            ErrorHandler.ThrowOnFailure(windowFrame.Show());
        }


        /////////////////////////////////////////////////////////////////////////////
        // Overriden Package Implementation
        #region Package Members

        /// <summary>
        /// Initialization of the package; this method is called right after the package is sited, so this is the place
        /// where you can put all the initilaization code that rely on services provided by VisualStudio.
        /// </summary>
        protected override void Initialize()
        {
            Trace.WriteLine(string.Format(CultureInfo.CurrentCulture, "Entering Initialize() of: {0}", this));
            base.Initialize();

            // Add our command handlers for menu (commands must exist in the .vsct file)
            OleMenuCommandService mcs = GetService(typeof(IMenuCommandService)) as OleMenuCommandService;
            if (null != mcs)
            {
                // Create the command for the menu item.
                CommandID menuShowGeneralOptions = new CommandID(GuidList.Crm2011VsToolsCmdSet, (int)PkgCmdIDList.CmdIdShowGeneralOptions);
                MenuCommand menuShowGeneralOptionsMenu = new MenuCommand(ShowGeneralOptions, menuShowGeneralOptions);
                mcs.AddCommand(menuShowGeneralOptionsMenu);

                // Script Injector Tool Windows
                CommandID toolScriptInjectorCommandID = new CommandID(GuidList.Crm2011VsToolsCmdSet, (int)PkgCmdIDList.CmdIdScriptInjectorTool);
                MenuCommand toolScriptInjectorMenuCommand = new MenuCommand(ShowToolWindow<ScriptInjectorToolWindow>, toolScriptInjectorCommandID);
                mcs.AddCommand(toolScriptInjectorMenuCommand);

                // Crm Explorer Tool Windows
                //CommandID toolCrmExplorerCommandID = new CommandID(GuidList.Crm2011VsToolsCmdSet, (int)PkgCmdIDList.CmdIdCrmExplorerTool);
                //MenuCommand toolCrmExplorerMenuCommand = new MenuCommand(ShowToolWindow<CrmExplorerToolWindow>, toolCrmExplorerCommandID);
                //mcs.AddCommand(toolCrmExplorerMenuCommand);
            }

            InitializeSettings();

            Logger.Output = GetOutputPane(VSConstants.SID_SVsGeneralOutputWindowPane, "CRM Visual Studio Tools");
            Logger.Output.Log("Initialized CRM 2011 Visual Studio Tools v{0} Alpha", Assembly.GetExecutingAssembly().GetName().Version);
        }

        private void ShowGeneralOptions(object sender, EventArgs e)
        {
            IVsUIShell uiShell = (IVsUIShell)GetService(typeof(SVsUIShell));
            object pvaIn = GuidList.GeneralOptionPage;
            Guid pguidCmdGroup = VSConstants.GUID_VSStandardCommandSet97;

            uiShell.PostExecCommand(ref pguidCmdGroup, 264U, 0U, ref pvaIn);
        }

        #endregion

        /// <summary>
        /// This function is the callback used to execute a command when the a menu item is clicked.
        /// See the Initialize method to see how the menu item is associated to this function using
        /// the OleMenuCommandService service and the MenuCommand class.
        /// </summary>
        //private void MenuItemCallback(object sender, EventArgs e)
        //{
        //    // Show a Message Box to prove we were here
        //    IVsUIShell uiShell = (IVsUIShell)GetService(typeof(SVsUIShell));
        //    Guid clsid = Guid.Empty;
        //   int result;
        //    ErrorHandler.ThrowOnFailure(uiShell.ShowMessageBox(
        //               0,
        //               ref clsid,
        //               "NerdWare.Crm2011VsTools",
        //               string.Format(CultureInfo.CurrentCulture, "Inside {0}.MenuItemCallback()", this),
        //               string.Empty,
        //               0,
        //               OLEMSGBUTTON.OLEMSGBUTTON_OK,
        //               OLEMSGDEFBUTTON.OLEMSGDEFBUTTON_FIRST,
        //               OLEMSGICON.OLEMSGICON_INFO,
        //               0,        // false
        //               out result));
        //}

        private void InitializeSettings()
        {
            GeneralOptionsPage generalOptionsPage = (GeneralOptionsPage)GetDialogPage(typeof(GeneralOptionsPage));
            if (generalOptionsPage != null)
            {
                Options.GeneralSetting = generalOptionsPage;
            }
        }
    }
}
